Article(id=1325115677861883974, tenantId=1146029695717560320, journalId=1255847867265597444, issueId=1325115660648448859, articleNumber=null, orderNo=null, doi=null, pmid=null, cstr=null, oa=null, hot=null, price=null, onlineType=0, articleFormat=0, articleType=null, articleTypeStr=null, receivedDate=1351699200000, receivedDateStr=2012-11-01, revisedDate=1353600000000, revisedDateStr=2012-11-23, acceptedDate=null, acceptedDateStr=null, onlineDate=1793861797060, onlineDateStr=2026-11-05, pubDate=1381766400000, pubDateStr=2013-10-15, doiRegisterDate=null, doiRegisterDateStr=null, onlineIssueDate=1793861797060, onlineIssueDateStr=2026-11-05, onlineJustAcceptDate=null, onlineJustAcceptDateStr=null, onlineFirstDate=null, onlineFirstDateStr=null, sourceXml=null, magXml=null, createTime=1793861797060, creator=13701087609, updateTime=1793861797060, updator=13701087609, issue=Issue{id=1325115660648448859, tenantId=1146029695717560320, journalId=1255847867265597444, year='2013', volume='27', issue='5', pageStart='633', pageEnd='792', issueExtLink='null', onlineDate='null', pubDate='1381766400000', pubDateStr='2013-10-15', beforeIssueId=null, nextIssueId=null, price=null, status=1, issueComplete=1, articleOrder=1, issueType=-1, specialIssue=null, createTime=1793861792956, creator='13701087609', updateTime=1793861792956, updator='13701087609', preIssue=null, nextIssue=null, articleTotal=null, ext=null, issueFiles=null, downloadFileDto=null}, startPage=725, endPage=730, ext={EN=ArticleExt(id=1325115678004490311, articleId=1325115677861883974, tenantId=1146029695717560320, journalId=1255847867265597444, language=EN, title=Comparison of Coupled Level Set Methods for Interface Treatment, columnId=null, journalTitle=Chinese Journal of High Pressure Physics, columnName=null, runingTitle=null, highlight=null, articleAbstract=

The coupled Level Set (LS) method algorithm of medium interface treatment was studied. Advantages and disadvantages of different methods in medium interface treatment process were given by comparing different solution of rotating flow and shearing flow, and the reason is analysed. Particle Level Set (PLS) method and Coupled Level Set and Volume of Fluid (CLSVOF) method are greatly improved in the conservation property of fluid compared on the pure LS through the contrast test. For PLS method, the LS interface can be corrected through reseeding and tracking the particle accurately. For CLSVOF method, the LS function can be reinitialized by reconstructing the interface and transporting the volume. In practical application, the CLSVOF method is more efficient and reasonable, since frequently reseeding will reduce the accuracy and tracking each particle requires more CPU memory for PLS method.

, authors=Xing WANG1, Tian-Bao MA1, Li HAO2, authorsList=Xing WANG, Tian-Bao MA, Li HAO, authorCompany=null, correspAuthors=Tian-Bao MA, authorNote=null, correspAuthorsNote=null, copyrightStatement=null, copyrightOwner=null, extLink=null, articleAbsUrl=null, sourceXml=null, magXml=null, pdfUrl=null, pdf=null, pdfFileSize=null, pdfExtLink=null, richHtmlUrl=null, mobilePdfUrl=null, reviewReport=null, pdfFirstPage=null, abstractGraph=null, abstractGraphContent=null, abstractVideo=null, citation=null, cebUrl=null, magXmlContent=null, mapNumber=null, fund=null), CN=ArticleExt(id=1325115678210011208, articleId=1325115677861883974, tenantId=1146029695717560320, journalId=1255847867265597444, language=CN, title=耦合Level Set方法处理介质界面研究, columnId=0, journalTitle=高压物理学报, columnName=, runingTitle=null, highlight=null, articleAbstract=

研究了耦合Level Set(LS)方法处理介质界面算法,通过对比旋转流场和剪切流场下的界面捕捉情况,给出了各种不同方法在处理介质界面过程中的优缺点,分析了产生这种现象的原因。通过对比分析得到,耦合粒子Level Set(Particle Level Set,PLS)方法以及耦合Level Set和VOF(Coupled Level Set and Volume of Fluid,CLSVOF)方法相比于单纯的LS方法,在流体守恒性质方面有很大的提高,PLS方法可以根据撒播粒子和精确追踪示踪粒子修正LS界面;而CLSVOF方法可以通过重构界面和体积输运,重新初始化LS函数。在实际物理应用中,PLS方法多次重新撒播示踪粒子会降低界面精度,且对每个示踪粒子的追踪需要加大CPU内存,而CLSVOF方法更加高效和合理。

, authors=王星1, 马天宝1, 郝莉2, authorsList=王星, 马天宝, 郝莉, authorCompany=null, correspAuthors=马天宝, authorNote=

王星(1986—),男,博士研究生,从事计算力学与工程仿真研究. E-mail:

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马天宝(1981—),男,副教授,主要从事计算爆炸力学研究. E-mail:
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王星(1986—),男,博士研究生,从事计算力学与工程仿真研究. E-mail:

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王星(1986—),男,博士研究生,从事计算力学与工程仿真研究. E-mail:

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耦合Level Set方法处理介质界面研究
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王星 1 , 马天宝 1 , 郝莉 2
高压物理学报 | 2013,27(5): 725-730
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高压物理学报 | 2013 , 27 (5) : 725 -730
耦合Level Set方法处理介质界面研究
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王星1 , 马天宝1 , 郝莉2
作者信息
  • 1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
  • 2.北京建筑工程学院理学院,北京 100044
通讯作者:
马天宝(1981—),男,副教授,主要从事计算爆炸力学研究. E-mail:
作者简介:

王星(1986—),男,博士研究生,从事计算力学与工程仿真研究. E-mail:

Comparison of Coupled Level Set Methods for Interface Treatment
Xing WANG1 , Tian-Bao MA1 , Li HAO2
Affiliations
  • 1.State Key Laboratory of Explosion Science and Technology, Beijing Institute of Technology, Beijing 100081, China
  • 2.Science school, Beijing University of Civil Engineering and Architecture, Beijing 100044, China
出版时间: 2013-10-15
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研究了耦合Level Set(LS)方法处理介质界面算法,通过对比旋转流场和剪切流场下的界面捕捉情况,给出了各种不同方法在处理介质界面过程中的优缺点,分析了产生这种现象的原因。通过对比分析得到,耦合粒子Level Set(Particle Level Set,PLS)方法以及耦合Level Set和VOF(Coupled Level Set and Volume of Fluid,CLSVOF)方法相比于单纯的LS方法,在流体守恒性质方面有很大的提高,PLS方法可以根据撒播粒子和精确追踪示踪粒子修正LS界面;而CLSVOF方法可以通过重构界面和体积输运,重新初始化LS函数。在实际物理应用中,PLS方法多次重新撒播示踪粒子会降低界面精度,且对每个示踪粒子的追踪需要加大CPU内存,而CLSVOF方法更加高效和合理。

耦合粒子Level Set方法  /  耦合Level Set和Volume of Fluid方法  /  数值对比

The coupled Level Set (LS) method algorithm of medium interface treatment was studied. Advantages and disadvantages of different methods in medium interface treatment process were given by comparing different solution of rotating flow and shearing flow, and the reason is analysed. Particle Level Set (PLS) method and Coupled Level Set and Volume of Fluid (CLSVOF) method are greatly improved in the conservation property of fluid compared on the pure LS through the contrast test. For PLS method, the LS interface can be corrected through reseeding and tracking the particle accurately. For CLSVOF method, the LS function can be reinitialized by reconstructing the interface and transporting the volume. In practical application, the CLSVOF method is more efficient and reasonable, since frequently reseeding will reduce the accuracy and tracking each particle requires more CPU memory for PLS method.

Particle Level Set (PLS) method  /  Coupled Level Set and Volume of Fluid (CLSVOF) method  /  numerical comparison
王星, 马天宝, 郝莉. 耦合Level Set方法处理介质界面研究. 高压物理学报, 2013 , 27 (5) : 725 -730 .
Xing WANG, Tian-Bao MA, Li HAO. Comparison of Coupled Level Set Methods for Interface Treatment[J]. Chinese Journal of High Pressure Physics, 2013 , 27 (5) : 725 -730 .
  • 国家重点基础研究发展计划(2010CB832706)
  • 国家自然科学基金(11032002; 11172041)
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  • 接收时间:2012-11-01
  • 首发时间:2026-11-05
  • 出版时间:2013-10-15
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  • 收稿日期:2012-11-01
  • 修回日期:2012-11-23
基金
国家重点基础研究发展计划(2010CB832706)
国家自然科学基金(11032002; 11172041)
作者信息
    1.北京理工大学爆炸科学与技术国家重点实验室,北京 100081
    2.北京建筑工程学院理学院,北京 100044

通讯作者:

马天宝(1981—),男,副教授,主要从事计算爆炸力学研究. E-mail:
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2种不同金属材料的力学参数
科
Family
属数
Number of
genus
种数
Number of
species
占总种数比例
Percentage of
total species (%)
属
Genus
种数
Number of
species
占总种数比例
Percentage of total
species (%)
鹅膏菌科Amanitaceae 2 11 5.26 鹅膏菌属 Amanita 10 4.78
小菇科 Mycenaceae 2 12 5.74 丝盖伞属 Inocybe 5 2.39
多孔菌科 Polyporaceae 8 14 6.70 蜡蘑属 Laccaria 5 2.39
红菇科 Russulaceae 3 23 11.00 小皮伞属 Marasmius 6 2.87
小菇属 Mycena 11 5.26
光柄菇属 Pluteus 5 2.39
红菇属 Russula 17 8.13
栓菌属 Trametes 5 2.39
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